Function of the ciliary body

The ciliary body is a ring-shaped thickened tissue behind the iris of the eye. Its front part has a radial protrusion inward. Its most obvious function is to produce aqueous humor, which can adjust the refractive ability of the eye. If there is a problem with the ciliary body, it will often affect the patient's vision. The most common one is that it is easy to cause inflammation. For example, iritis is a common disease. Let's take a look at this aspect.

Function of the ciliary body

The function of the ciliary body is to produce aqueous humor and adjust the refractive power of the eye by dilation and contraction. The ciliary body is located in a hidden position, and it is difficult to visualize directly except in cases such as anti-glaucoma surgery or iridodialysis (Figure 1-87), and it often needs to be viewed indirectly with the help of UBM.

inflamed

Anterior uveitis is also known as iridocyclitis. Inflammation of the iris often affects the ciliary body, so it is rare to see only iritis or ciliary body inflammation in clinical practice. Often occur simultaneously.

Anterior uveitis is also called iridocyclitis, which includes iritis, cyclitis and iridocyclitis. Because the iris and ciliary body are anatomically connected and closely related, and because they are both supplied with blood by the greater iris ring, the iris and ciliary body often become inflamed at the same time. Iridocyclitis is one of the common blinding eye diseases and the most common type of uveitis. The main clinical manifestations are red and painful eyes, decreased vision, turbid aqueous humor and posterior corneal deposits. If not treated in time, serious complications such as secondary glaucoma, cataracts and eyeball atrophy may occur, leading to blindness.

Western medicine treatment

(1) Mydriasis: It is extremely beneficial for inhibiting inflammation, reducing exudation and preventing posterior adhesion. The commonly used medicine is atropine solution or ointment. If atropine solution is used, care should be taken to compress the lacrimal sac to prevent poisoning (because the concentration of 1%-2% atropine solution is relatively high).

(2) Corticosteroids

① For mild cases, only cortisone or dexamethasone eye drops can be used, 4-8 times a day.

② For more serious cases, dexamethasone can be injected subconjunctivally, 2.5-3 mg each time, once a day or every other day.

③ In severe cases, systemic medication, intravenous or oral hormones should also be used. For example, 30-60 mg of prednisone can be taken daily at 8 a.m., and the dosage can be gradually reduced after the condition improves.

(3) Apply hot and moist compress, 2-3 times a day, each time for 20-30 minutes.